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Objectives: Sexual Strategies Theory suggests people fall on a continuum between having short-term mating orientation (STMO) and long-term mating orientation. One way STMO individuals signal mating goals is via risky drinking. The current study therefore aims to investigate drinks per week (DPW) as a mediator between STMO and risky sexual behavior (RSB), with gender as a moderator between STMO and DPW., Participants: Undergraduate students ( N  = 300) from a Midwestern university during Fall 2019., Method: Participants completed questionnaires assessing STMO, DPW, and RSB frequency., Results: A moderated-mediation model indicated DPW significantly mediated the relationship between STMO and RSB. Positive associations were found among all three variables. Gender was not a moderator between STMO and DPW., Conclusions: Mating orientation was a correlate of alcohol use and RSB for women and men, contributing to the literature identifying STMO as an indicator of those in need of substance use and RSB intervention.

Courts in seven U.S. states have removed children with "obesity" from parental custody until children could maintain "healthy weights." These rulings-alongside qualitative reports from parents of children with high weight (PoCHs)-suggest that PoCHs are judged as bad parents. Yet little work has tested whether people genuinely stigmatize PoCHs or what drives this phenomenon. In three experiments with U.S. online community participants ( N = 1,011; two preregistered), we tested an attribution theory model: Social perceivers attribute children's weights to parents and thus stigmatize those parents. Experiments 1 and 2 support this model (across parent and child gender). Experiment 3 manipulated attributions of parental responsibility for child weight, revealing attenuated stigma with low attributions of responsibility. Findings are among the first to describe and explain stigma toward a large demographic (parents of children with obesity)-with real-world implications (e.g., for family separation, health care)-and may additionally illuminate the psychology underlying stigma toward parents of children with other potentially stigma-evoking identities.

Although casual sex is increasingly socially acceptable, negative stereotypes toward women who pursue casual sex remain pervasive. For example, a common trope in television, film, and other media is that women who engage in casual sex have low self-esteem. Despite robust work on prejudice against women who engage in casual sex, little empirical work has focused on the lay theories individuals hold about them. Across six experiments with U.S. adults ( N = 1,469), we found that both men and women stereotype women (but not men) who engage in casual sex as having low self-esteem. This stereotype is held explicitly and semi-implicitly; is not driven by individual differences in religiosity, conservatism, or sexism; and is mediated by inferences that women who have casual sex are unsatisfied with their mating strategy-yet the stereotype persists when women are explicitly described as choosing to have casual sex. Finally, the stereotype appears to be unfounded; across experiments, the same participants' sexual behavior was not significantly correlated with their self-esteem.

Adverse childhood experiences (ACEs) may be an early life factor associated with adult weight stigma via biological (e.g., stress response), cognitive (e.g., self-criticism/deprecation), and/or emotional (e.g., shame) mechanisms. This pilot study investigated relationships between ACEs and internalized and experienced weight stigma in adult women with overweight/obesity and explored differential relationships between weight stigma and ACE subtypes (i.e., abuse, neglect, household dysfunction). Adult women (68% white, M age = 33 ± 10 years, M BMI = 33.7 ± 7.2 kg/m 2 ) completed measures of ACEs (ACE Questionnaire), internalized weight stigma (IWS; Weight Bias Internalization Scale-Modified; WBIS-M), and lifetime experiences of weight stigma (yes/no). Data were analyzed with linear and logistic regression ( n = 46), adjusting for age, race, and body mass index (BMI). Linear regressions revealed a positive association between ACE and WBIS-M scores ( β = 0.40, p = 0.006), which was driven by Abuse-type ACEs ( β = 0.48, p = 0.009). Relationships between WBIS-M scores and Neglect- and Household-Dysfunction-type ACEs did not reach significance ( β = 0.20, p = 0.173; β = -0.16, p = 0.273). Though descriptive statistics revealed greater rates of experienced weight stigma endorsement by those with high-3+ ACEs (81%) vs. medium-1-2 ACEs (67%) or low/no-0 ACEs (60%), ACE scores were not significantly associated with experienced weight stigma in logistic regression (Wald = 1.36, p = 0.244, OR = 1.324, 95%, CI = 0.825-2.125). ACEs may be an early life factor that increase the risk for internalizing weight stigma in adulthood. Larger studies should confirm this relationship and follow-up on descriptive findings suggesting a potential association between ACEs and experienced weight stigma., Competing Interests: Conflicts of Interest: The authors declare no conflict of interest.

After half a century of debate and few empirical tests, there remains no consensus concerning why ovulation in human females is considered concealed. The predominant male investment hypothesis states that females were better able to obtain material investment from male partners across those females' ovulatory cycles by concealing ovulation. We build on recent work on female competition to propose and investigate an alternative-the female rivalry hypothesis-that concealed ovulation benefited females by allowing them to avoid aggression from other females. Using an agent-based model of mating behaviour and paternal investment in a human ancestral environment, we did not find strong support for the male investment hypothesis, but found support for the female rivalry hypothesis. Our results suggest that concealed ovulation may have benefitted females in navigating their intrasexual social relationships. More generally, this work implies that explicitly considering female-female interactions may inspire additional insights into female behaviour and physiology.

Friendships can foster happiness, health, and reproductive fitness. However, friendships end-even when we might not want them to. A primary reason for this is interference from third parties. Yet, little work has explored how people meet the challenge of maintaining friendships in the face of real or perceived threats from third parties, as when our friends inevitably make new friends or form new romantic relationships. In contrast to earlier conceptualizations from developmental research, which viewed friendship jealousy as solely maladaptive, we propose that friendship jealousy is one overlooked tool of friendship maintenance. We derive and test-via a series of 11 studies ( N = 2,918) using hypothetical scenarios, recalled real-world events, and manipulation of online emotional experiences-whether friendship jealousy possesses the features of a tool well-designed to help us retain friends in the face of third-party threats. Consistent with our proposition, findings suggest that friendship jealousy is (a) uniquely evoked by third-party threats to friendships (but not the prospective loss of the friendship alone), (b) sensitive to the value of the threatened friendship, (c) strongly calibrated to cues that one is being replaced, even over more intuitive cues (e.g., the amount of time a friend and interloper spend together), and (d) ultimately motivates behavior aimed at countering third-party threats to friendship ("friend guarding"). Even as friendship jealousy may be negative to experience, it may include features designed for beneficial-and arguably prosocial-ends: to help maintain friendships. (PsycInfo Database Record (c) 2021 APA, all rights reserved).

Song lyrics are rich in meaning. In recent years, the lyrical content of popular songs has been used as an index of culture's shifting norms, affect, and values. One particular, newly uncovered, trend is that lyrics of popular songs have become increasingly simple over time. Why might this be? Here, we test the idea that increasing lyrical simplicity is accompanied by a widening array of novel song choices. We do so by using six decades (1958-2016) of popular music in the United States (N = 14,661 songs), controlling for multiple well-studied ecological and cultural factors plausibly linked to shifts in lyrical simplicity (e.g., resource availability, pathogen prevalence, rising individualism). In years when more novel song choices were produced, the average lyrical simplicity of the songs entering U.S. billboard charts was greater. This cross-temporal relationship was robust when controlling for a range of cultural and ecological factors and employing multiverse analyses to control for potentially confounding influence of temporal autocorrelation. Finally, simpler songs entering the charts were more successful, reaching higher chart positions, especially in years when more novel songs were produced. The present results suggest that cultural transmission depends on the amount of novel choices in the information landscape., Competing Interests: The authors have declared no competing interests exist.

What motives do people prioritize in their social lives? Historically, social psychologists, especially those adopting an evolutionary perspective, have devoted a great deal of research attention to sexual attraction and romantic-partner choice (mate seeking). Research on long-term familial bonds (mate retention and kin care) has been less thoroughly connected to relevant comparative and evolutionary work on other species, and in the case of kin care, these bonds have been less well researched. Examining varied sources of data from 27 societies around the world, we found that people generally view familial motives as primary in importance and mate-seeking motives as relatively low in importance. Compared with other groups, college students, single people, and men place relatively higher emphasis on mate seeking, but even those samples rated kin-care motives as more important. Furthermore, motives linked to long-term familial bonds are positively associated with psychological well-being, but mate-seeking motives are associated with anxiety and depression. We address theoretical and empirical reasons why there has been extensive research on mate seeking and why people prioritize goals related to long-term familial bonds over mating goals. Reallocating relatively greater research effort toward long-term familial relationships would likely yield many interesting new findings relevant to everyday people's highest social priorities.

Religious people are more trusted than nonreligious people. Although most theorists attribute these perceptions to the beliefs of religious targets, religious individuals also differ in behavioral ways that might cue trust. We examined whether perceivers might trust religious targets more because they heuristically associate religion with slow life-history strategies. In three experiments, we found that religious targets are viewed as slow life-history strategists and that these findings are not the result of a universally positive halo effect; that the effect of target religion on trust is significantly mediated by the target's life-history traits (i.e., perceived reproductive strategy); and that when perceivers have direct information about a target's reproductive strategy, their ratings of trust are driven primarily by his or her reproductive strategy, rather than religion. These effects operate over and above targets' belief in moralizing gods and offer a novel theoretical perspective on religion and trust.

Maslow's self-actualization remains a popular notion in academic research as well as popular culture. The notion that life's highest calling is fulfilling one's own unique potential has been widely appealing. But what do people believe they are doing when they pursue the realization of their full, unique potentials? Here, we examine lay perceptions of self-actualization. Self-actualizing, like any drive, is unlikely to operate without regard to biological and social costs and benefits. We examine which functional outcomes (e.g., gaining status, making friends, finding mates, caring for kin) people perceive as central to their individual self-actualizing. Three studies suggest that people most frequently link self-actualization to seeking status, and, concordant with life history theory, what people regard as self-actualizing varies in predictable ways across the life span and across individuals. Contrasting with self-actualization, people do not view other types of well-being-eudaimonic, hedonic, subjective-as furthering status-linked functional outcomes.

Van Lange et al. argue that variations in climate explain cross-societal variations in violence. We suggest that any approach seeking to understand cross-cultural variation in human behavior via an ecological framework must consider a wider array of ecological variables, and we find that income inequality and sex ratio are better predictors than climate of cross-societal variations in violence.

For women, forming close, cooperative relationships with other women at once poses important opportunities and possible threats-including to mate retention. To maximize the benefits and minimize the costs of same-sex social relationships, we propose that women's mate guarding is functionally flexible and that women are sensitive to both interpersonal and contextual cues indicating whether other women might be likely and effective mate poachers. Here, we assess one such cue: other women's fertility. Because ovulating (i.e., high-fertility) women are both more attractive to men and also more attracted to (desirable) men, ovulating women may be perceived to pose heightened threats to other women's romantic relationships. Across 4 experiments, partnered women were exposed to photographs of other women taken during either their ovulatory or nonovulatory menstrual-cycle phases, and consistently reported intentions to socially avoid ovulating (but not nonovulating) women-but only when their own partners were highly desirable. Exposure to ovulating women also increased women's sexual desires for their (highly desirable) partners. These findings suggest that women can be sensitive to subtle cues of other women's fertility and respond (e.g., via social exclusion, enhanced sexual attention to own mate) in ways that may facilitate their mate retention goals while not thwarting their affiliative goals., ((c) 2016 APA, all rights reserved).)

Intrasexual conflict may pose unique challenges for women. Whereas men's aggression tends to be physical and direct, women's tends to be relational and indirect, particularly when directed toward other women. Moreover, women's expressions of anger are often suppressed, perhaps particularly when other women are the targets. Thus, women may face difficulty anticipating anger and anger-based aggression from other women. How might women manage this challenge? The functional projection of emotion may facilitate useful behavior; for instance, "seeing" anger on people believed to pose threats to physical safety may help perceivers preempt or avoid physical harm. Given the threats that women face, we predicted that (a) women are biased to "see" anger on neutral female (but not male) faces and that (b) women who are likely targets of intrasexual aggression (i.e., sexually desirable or available women) show an exaggerated bias. We report three studies that support these hypotheses and, more broadly, illustrate the value of a functional approach to social cognition., (© The Author(s) 2015.)

The ability to create lasting, trust-based friendships makes it possible for humans to form large and coherent groups. The recent literature on the evolution of sociality and on the network dynamics of human societies suggests that large human groups have a layered structure generated by emotionally supported social relationships. There are also gender differences in adult social style which may involve different trade-offs between the quantity and quality of friendships. Although many have suggested that females tend to focus on intimate relations with a few other females, while males build larger, more hierarchical coalitions, the existence of such gender differences is disputed and data from adults is scarce. Here, we present cross-cultural evidence for gender differences in the preference for close friendships. We use a sample of ∼112,000 profile pictures from nine world regions posted on a popular social networking site to show that, in self-selected displays of social relationships, women favour dyadic relations, whereas men favour larger, all-male cliques. These apparently different solutions to quality-quantity trade-offs suggest a universal and fundamental difference in the function of close friendships for the two sexes.

Hyperlink cinema is an emergent film genre that seeks to push the boundaries of the medium in order to mirror contemporary life in the globalized community. Films in the genre thus create an interacting network across space and time in such a way as to suggest that people's lives can intersect on scales that would not have been possible without modern technologies of travel and communication. This allows us to test the hypothesis that new kinds of media might permit us to break through the natural cognitive constraints that limit the number and quality of social relationships we can manage in the conventional face-to-face world. We used network analysis to test this hypothesis with data from 12 hyperlink films, using 10 motion pictures from a more conventional film genre as a control. We found few differences between hyperlink cinema films and the control genre, and few differences between hyperlink cinema films and either the real world or classical drama (e.g., Shakespeare's plays). Conversation group size seems to be especially resilient to alteration. It seems that, despite many efficiency advantages, modern media are unable to circumvent the constraints imposed by our evolved psychology.